Home / 3,823.20-5,704.56-3,547.80

Finding the Fourth Proportional to 3,823.20, 5,704.56 and 3,547.80

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Solution

The fourth proportional to 3,823.20, 5,704.56 and 3,547.80 is: 5,293.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.20 : 5,704.56 = 3,547.80 : x
  2. Step 2: Convert to fraction form
    3,823.20/5,704.56 = 3,547.80/x
  3. Step 3: Cross multiply
    3,823.20x = 5,704.56 × 3,547.80
  4. Step 4: Simplify right side
    3,823.20x = 20,238,637.97
  5. Step 5: Solve for x
    x = 20,238,637.97/3,823.20
  6. Step 6: Final answer
    x = 5,293.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.